package Thread2;

public class Demo7 {
    public static void main(String[] args) throws InterruptedException {
        Thread t = new Thread(()->{
            while(true){
                System.out.println("hello Thread!");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
        });

        // 这样的设置得在start 之前
        t.setDaemon(true);
        t.start();

        for(int i = 0;i < 3;i++){
            System.out.println("hello Main!");
            Thread.sleep(1000);
        }
        System.out.println("Main 结束");
    }
}
